By the comparison of hardness and optical microstructure between fired part and non-fired part of the well-frame, it is found that the hardness of the fired part has increased.

通过对井架底部火烧部位和未火烧部位进行硬度和显微组织的对比试验发现，火烧部位硬度得到提高；

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Optical microstructure pictures show that the magnetic field have few effects on the mean grain sizes of samples through magnetic annealing, and the grain sizes vary drastically.

金相显微组织分析表明，不同磁场退火处理后试样晶粒平均大小变化不大，而晶粒间不均匀程度增加。

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Due to its complicated microstructure and absorption mechanism, it's difficult to measuring optical constants of ITO.

由于ITO具有复杂的微观结构和吸收机制，很难准确测量出它的光学常数。

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